221121202000112 has 80 divisors (see below), whose sum is σ = 431318033879040. Its totient is φ = 109815884640000.

The previous prime is 221121202000099. The next prime is 221121202000169. The reversal of 221121202000112 is 211000202121122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4729740737 + ... + 4729787487.

It is an arithmetic number, because the mean of its divisors is an integer number (5391475423488).

Almost surely, 2^{221121202000112} is an apocalyptic number.

It is an amenable number.

221121202000112 is a deficient number, since it is larger than the sum of its proper divisors (210196831878928).

221121202000112 is a wasteful number, since it uses less digits than its factorization.

221121202000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50142 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221121202000112 its reverse (211000202121122), we get a palindrome (432121404121234).

The spelling of 221121202000112 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve", and thus it is an aban number.